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    <!-- 
        参数数据解析
        1. 在注册页 写入并提交数据到登录页
        2. 登录页获取参数数据 => 解析为对象

        注意:一定要从注册页提交数据到登录页  => 直接打开登录页无数据

        ?user=zxczxc&pwd=123123&phone=17386141516&email=1272071496@qq.com
         => {user:'a123123',pwd:123123}
         
     -->
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